*{box-sizing:border-box;margin:0;padding:0}
:root{
 --bleu:#2563eb;--bleu-2:#1d4ed8;--navy:#0a1628;--txt:#0f172a;--muted:#4d5c72;
 --ligne:#e2e8f0;--fond:#ffffff;--doux:#f4f7fb;--radius:14px;
 --ombre:0 10px 30px rgba(15,23,42,.06);
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
 color:var(--txt);background:var(--fond);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
p{color:var(--muted)}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:10px;border-radius:8px;z-index:100}

/* ---- en-tête ---- */
.hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--ligne)}
.hdr-in{display:flex;align-items:center;gap:26px;height:80px}
.brand{display:flex;align-items:center;gap:10px}
.embleme{height:38px;width:auto}
.nom{font-size:19px;font-weight:800;letter-spacing:.09em;color:var(--navy)}
.nav{display:flex;gap:20px;flex:1;font-size:14.5px;font-weight:500}
.nav a{padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--bleu);color:var(--bleu)}
.hdr-actions{display:flex;align-items:center;gap:16px}
.tel{font-weight:700;font-size:15px;white-space:nowrap;color:var(--navy)}
.burger{display:none;background:none;border:0;font-size:22px;cursor:pointer}

.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;font-size:14.5px;
 white-space:nowrap;transition:transform .15s ease,box-shadow .15s ease;border:0;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-bleu{background:var(--bleu);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.25)}
.btn-navy{background:var(--navy);color:#fff}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;padding:12px 22px;border-radius:10px;font-weight:600}
.btn-ligne{border:1.5px solid var(--navy);color:var(--navy)}

/* ---- bandeaux ---- */
.hero{position:relative;color:#fff;background:linear-gradient(100deg,rgba(10,22,40,.94) 0%,rgba(10,22,40,.76) 56%,rgba(10,22,40,.42) 100%),url('assets/hero.jpg') center/cover}
.hero-in{padding:96px 0 88px}
.hero h1{font-size:clamp(32px,4.2vw,58px);line-height:1.06;letter-spacing:-.02em;font-weight:800;max-width:820px}
.hero .acc{max-width:640px;margin-top:22px;font-size:18px;color:#d7e2ef}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--bleu)}
.eyebrow-clair{color:#8ab4ff}
.bande{background:var(--bleu);color:#fff;padding:16px 0}
.bande-in{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;font-size:14px;font-weight:600;align-items:center}
.bande-in span{display:flex;gap:7px;align-items:flex-start;line-height:1.35}
@media(max-width:1000px){.bande-in{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.bande-in{grid-template-columns:1fr}}

.page-hero{background:var(--navy);color:#fff;padding:64px 0 56px}
.page-hero h1{font-size:clamp(28px,3.4vw,44px);line-height:1.12;letter-spacing:-.015em;font-weight:800;max-width:900px;margin-top:12px}
.page-hero .acc{color:#c9d8e8;max-width:760px;margin-top:16px}
.fil{font-size:12.5px;color:#93a6bf;margin-bottom:8px}
.fil a{border-bottom:1px solid rgba(255,255,255,.25)}

/* ---- sections ---- */
section{padding:78px 0}
section.doux{background:var(--doux)}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.16;letter-spacing:-.015em;font-weight:800}
h3{font-size:19px;font-weight:700}
.entete-section{max-width:760px}
.entete-section p{margin-top:14px}
.grille3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.grille2{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px}
.carte{background:#fff;border:1px solid var(--ligne);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--ombre)}
.carte p{margin-top:8px;font-size:15px}
.carte .num{width:42px;height:42px;border-radius:12px;background:rgba(37,99,235,.1);color:var(--bleu);
 display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:14px}
.prose p + p{margin-top:14px}
.prose h2,.prose h3{margin-top:34px}
.prose ul{margin:14px 0 0 20px;color:var(--muted)}
.prose li{margin-top:8px}
.liste{list-style:none;display:grid;gap:12px;margin-top:18px}
.liste li{display:flex;gap:11px;color:var(--muted);font-size:15.5px}
.liste li:before{content:"✓";color:var(--bleu);font-weight:800;flex:0 0 auto}
.duo{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.duo img{border-radius:18px;box-shadow:0 24px 60px rgba(15,23,42,.16)}
.lien{color:var(--bleu);font-weight:700;font-size:14px}
.chiffres{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.chiffre{background:#fff;border:1px solid var(--ligne);border-radius:14px;padding:22px}
.chiffre b{display:block;font-size:28px;letter-spacing:-.02em;color:var(--navy)}
.chiffre span{font-size:13.5px;color:var(--muted)}
.badges{display:flex;gap:16px;flex-wrap:wrap;margin-top:26px}
.chip{background:#fff;border:1px solid var(--ligne);border-radius:12px;padding:10px 16px;display:grid;place-items:center}
.chip img{height:50px;width:auto}
.part{display:flex;gap:48px;align-items:center;flex-wrap:wrap;opacity:.85;margin-top:26px}
.part img{height:48px;width:auto;filter:grayscale(1)}
.cta{background:linear-gradient(120deg,var(--navy),#123255);border-radius:22px;color:#fff;padding:52px;
 display:flex;justify-content:space-between;align-items:center;gap:34px;flex-wrap:wrap}
.cta h2{color:#fff}
.cta p{color:#c8d6e6;margin-top:10px}

/* ---- formulaire ---- */
.form{background:#fff;border:1px solid var(--ligne);border-radius:18px;padding:34px;box-shadow:var(--ombre);max-width:750px}
.form .ligne-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:11px 13px;border:1px solid #cbd5e1;border-radius:9px;
 font:inherit;font-size:15px;color:var(--txt);background:#fff}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid rgba(37,99,235,.35);border-color:var(--bleu)}
.form textarea{min-height:130px;resize:vertical}
.form .champ{margin-top:16px}
.form .hp{position:absolute;left:-9999px}
.form-msg{margin-top:16px;font-size:14.5px;font-weight:600}
.form-msg.ok{color:#15803d}
.form-msg.ko{color:#b91c1c}
.aide{font-size:12.5px;color:var(--muted);margin-top:8px}

/* ---- pied ---- */
.ftr{background:var(--navy);color:#c6d2e2;padding:58px 0 0}
.ftr-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.ftr h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.ftr ul{list-style:none;display:grid;gap:9px;font-size:14px}
.ftr a:hover{color:#fff}
.ftr-brand p{font-size:14px;margin-top:14px;color:#9fb0c6}
.logo-ftr{height:40px;width:auto}
.ftr-contact{color:#fff!important;font-weight:600}
.ftr-bas{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:42px;padding:22px 0;
 border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#7d8ea6}

/* ---- responsive ---- */
@media(max-width:1000px){
 .grille3,.chiffres{grid-template-columns:1fr 1fr}
 .duo,.grille2{grid-template-columns:1fr;gap:32px}
 .form .ligne-form{grid-template-columns:1fr}
 .ftr-in{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
 .nav{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;flex-direction:column;
  padding:18px 28px;border-bottom:1px solid var(--ligne);gap:14px}
 .nav.ouvert{display:flex}
 .burger{display:block;margin-left:auto}
 .hdr-in{gap:12px}
 .tel{display:none}
 .grille3,.chiffres,.ftr-in{grid-template-columns:1fr}
 .hero-in{padding:64px 0 56px}
 section{padding:56px 0}
 .cta{padding:34px}
}